Sierra Preparatory Academy

Sierra Preparatory Academy is an elementary school of average-sized scale in Santa Ana, California, one of the schools within Santa Ana Unified, teacheing 697 students in grades K through 8. Compared to the state average of about 465 students per school, that is 50% larger than typical.

Santa Ana Unified comprises 51 schools with combined enrollment of 35,993 students; Sierra Preparatory Academy is among them.

For racial and ethnic makeup, Sierra Preparatory Academy lists that 98% of students identify as Hispanic, making the school strongly Hispanic-majority. By comparison, Orange County as a whole is about 34% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

Looking at school resources, On paper, Sierra Preparatory Academy has 40 full-time-equivalent teachers, translating to a class-load average of around 17.3:1. That figure is tighter than the state norm's 22.3:1 average. Roughly 94% of students at Sierra Preparatory Academy qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Orange County (around 55%), the school's rate is meaningfully above typical.

With demographic context factored in, Sierra Preparatory Academy performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 23.4%, the actual is 14.1%, a residual of -9.3 points.

In the broader community, the surrounding county (Orange County) logs that the typical household earns roughly $116,289 per year, roughly 44% of adults have completed at least a four-year degree, and the poverty rate sits near 7%. In all, Orange County runs 649 public schools (combined enrollment of about 430,458 students), of which Sierra Preparatory Academy is one.

Nearest neighbor: Citrus Springs Charter, around 0.2 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 6 schools in that immediate cluster with test data (this one included), Sierra Preparatory Academy ranks 6th on composite proficiency, below the local average of 35.8%.

Geographically, the school is in a metropolitan area.

Looking at the recent track record. Over the past 7-year window, the student count edged down 14%: 812 students in 2018 compared to 697 in 2025. The student-to-teacher ratio fell from 20.8:1 in 2018 to 17.3:1 today.

On this page, the feed for Sierra Preparatory Academy typically covers open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.